Home / 531,197.28-733,052.39-289,479.91

Finding the Fourth Proportional to 531,197.28, 733,052.39 and 289,479.91

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Solution

The fourth proportional to 531,197.28, 733,052.39 and 289,479.91 is: 399,482.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    531,197.28 : 733,052.39 = 289,479.91 : x
  2. Step 2: Convert to fraction form
    531,197.28/733,052.39 = 289,479.91/x
  3. Step 3: Cross multiply
    531,197.28x = 733,052.39 × 289,479.91
  4. Step 4: Simplify right side
    531,197.28x = 212,203,939,882.49
  5. Step 5: Solve for x
    x = 212,203,939,882.49/531,197.28
  6. Step 6: Final answer
    x = 399,482.35

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.